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Added 5 mins ago
DS
CPM Consultant
Delbridge Solutions
Toronto, ON
- Full-time
You will provide regular status updates to the Technical/Project Lead and the client
Added 5 mins ago
FF
Supply Chain Director
Fusion Fuel Cycles Inc.
Ottawa, ON · Toronto, ON
- Full-time
Make-versus-buy and sourcing strategy - lead make-versus-buy, single- versus dual-source, and strategic partnership decisions for FOAK and long-lead systems, backed by business cases and…
Added 5 mins ago
TB
Facilities Manager
The Boulevard Club
Toronto, ON
- Full-time
Lead, coach, and supervise the Maintenance Team, establishing daily priorities, assigning work, monitoring performance, and providing ongoing training and development to promote efficiency…
Added 5 mins ago
D
Head of Creative (Remote Canada)
Directive
Remote, Canada
- $175,000 to $200,000 CAD / year
- Full-time
- Remote
…your ICP to choose you across every decision point. Across Technology, Industrial, and Services verticals, that system spans everything from Paid Media and Content Marketing to PR and Paid…
Added 5 mins ago
D
Creative Director (Remote Canada)
Directive
Remote, Canada
- $175,000 to $200,000 CAD / year
- Full-time
- Remote
…your ICP to choose you across every decision point. Across Technology, Industrial, and Services verticals, that system spans everything from Paid Media and Content Marketing to PR and Paid…
Added 5 mins ago
CC
Retail Shift Leader
Canna Cabana
Welland, ON
- $17.95 to $19.5 CAD / hour
- Part-time
Skills to monitor and lead by example as required
Added 5 mins ago
S
Firmware Engineer
Solidigm
Vancouver, BC
- Full-time
Join a multibillion-dollar global company that brings together amazing technology, people, and operational scale to become a powerhouse in the memory industry. Headquartered in Rancho…
Added 5 mins ago
AT
Civil General Construction Supervisor
Arrow Transportation Systems Inc.
BC
- Other
…operations, freight management, logistics, consulting, and technology with operations throughout Canada and the…
Added 5 mins ago
Shopper Insights Client Manager
dunnhumby
Toronto, ON
You will lead client relationships and insight delivery while creating strong foundations for commercial growth and team performance.
Added 5 mins ago
Retail Client Manager
dunnhumby
Toronto, ON
Lead and manage the retail-facing team against account plans, renewals and measurable return on investment.
Added 5 mins ago
Client Director
dunnhumby
Toronto, ON
Lead and develop a high-performing multidisciplinary team.
Added 20 mins ago
L
Seasonal Product Operations Educator | Nov-Feb | Tanger Outlets Ottawa
lululemon
Ottawa, ON
- Part-time
Execute inventory processing plan established by the Product Operations Lead, including accurate RFID inventory counts according to company standards.
Added 20 mins ago
V
Lead Software Engineer
Virtusa
Toronto, ON
- Full-time
Added 20 mins ago
RE
UX Lead
Respawn Entertainment
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Apex Legends is looking for a UX Lead to help shape and evolve the player experience across the Apex Universe at our growing locations in Los Angeles – Chatsworth, Vancouver and Madison.…
Added 20 mins ago
RE
Technical Game Designer (Gameplay Bots)
Respawn Entertainment
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
You will report to the Senior Lead Game Designer.
Added 20 mins ago
RE
Core Art Producer (Apex Legends)
Respawn Entertainment
Vancouver, BC · Greater Vancouver Metropolitan Area
- Full-time
Reporting to the Lead Producer, we are seeking an experienced Art Producer to drive the creation of our iconic hard-surface assets, spanning legendary characters and cutting-edge weapons.…
Added 20 mins ago
T
Associate Vice President, Agentic Software Development
TD
Toronto, ON
- Full-time
Identify and remove structural barriers to modernization across technology portfolios, including legacy platforms, duplicated investments, fragmented tooling, inconsistent engineering…
Added 20 mins ago
QP
Area Manager
QuadReal Property Group
Toronto, ON · Etobicoke, ON
- Full-time
Lead day-to-day operations across assigned self-storage facilities, ensuring service consistency, safety, and compliance with company standards.
Added 20 mins ago
C
Senior Agentic AI developer
CGI
Toronto, ON
- Full-time
CGI's Emerging Technologies team within Global Technology and Operations (GTO) Canada is seeking a highly skilled Senior Agentic AI Developer to design, develop, and deploy next-generation…
Added 20 mins ago
PR
Asset Information Management Coordinator
Paramount Resources
Calgary, AB
- Full-time
…AI. Reporting to the Enterprise Information Management (EIM) Lead, the AIM Coordinator will ensure organization-wide data correctness, consistency and timeliness are under control. They…
Added 20 mins ago
NC
Security Operations Center (SOC) Analyst
Northern Computer Inc
Edmonton, AB
- Full-time
…a major incident, provide support and guidance to the Tech Lead and Communicator. Complete a Security RCA for every standard and major cyber…
Added 36 mins ago
Technical Game Designer (Gameplay Bots)
Electronic Arts
Vancouver, BC
You will report to the Senior Lead Game Designer.
Added 36 mins ago
LC
Sr Process Specialist/Engineer
LNG Canada
Calgary, AB
- Full-time
The successful candidate will lead technical assessments, process safety studies, HAZOPs, risk evaluations, Management of Change (MOC) activities, and multidisciplinary troubleshooting…
Added 50 mins ago
R
IT - Specialty Developer - Senior
Raise
Toronto, ON
- Full-time
Ability to lead technical discussions, mentor team members, and influence engineering standards
Added 50 mins ago
TG
Technology Portfolio Manager (Global Technology Solutions)
TMX Group
Toronto, ON
- $120,000 to $140,000 CAD / year
- Full-time
The Technology Portfolio Manager is a critical role responsible for overseeing the successful execution and delivery of projects and initiatives for a specific group or groups. This…

Adastra Corporation

Fullstack Developer

175 Commerce Valley Dr. W Suite 301, Markham, ON, L3T 7P6, Canada

Contract

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Job details

Job type: Contract
Apply by: Oct 28, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Overview

We are looking for a Full Stack Developer to build scalable, production-ready applications that combine modern backend engineering with advanced AI and Generative AI capabilities. The role will focus primarily on developing backend services and reusable SDKs using Python and Java, as well as integrating technologies such as large language models, retrieval-augmented generation, agentic AI, and model context protocols. You will also contribute to frontend development, cloud-based AI platforms, and the delivery of secure, reliable, and maintainable enterprise solutions

Primary Location: Toronto, ON or Brampton, ON

Work Model: Hybrid 4-Days Onsite

Employment Type: Contractor

RESPONSIBILITIES:

Design, develop, and maintain scalable backend services, APIs, and reusable SDKs using Python and Java
Build backend solutions using FastAPI, Spring Boot, and microservices architecture
Develop AI-powered applications using large language models, retrieval-augmented generation, agentic AI, LangChain, LangGraph, and Model Context Protocol
Integrate commercial and open-source AI models into enterprise applications
Build responsive web applications using React, TypeScript, and modern frontend frameworks
Integrate frontend applications with backend APIs and AI-powered services
Develop and integrate AI platform capabilities, including model gateways, prompt management, vector databases, evaluation frameworks, and guardrails
Deploy and support applications using cloud platforms, Docker, Kubernetes, and CI/CD pipelines
Implement automated testing, observability, performance optimization, and secure API design
Support enterprise authentication and authorization requirements
Collaborate with engineering, product, and cross-functional teams to deliver scalable and maintainable solutions

QUALIFICATIONS, SKILLS & EXPERIENCE:

Strong hands-on backend development experience using both Python and Java
Experience designing and developing scalable APIs, backend services, and reusable SDKs
Hands-on experience with FastAPI, Spring Boot, and microservices architecture
Strong experience developing AI and Generative AI applications
Experience working with large language models, retrieval-augmented generation, and agentic AI
Hands-on experience with technologies such as LangChain, LangGraph, and Model Context Protocol
Experience integrating commercial or open-source AI models into applications
Experience developing frontend applications using React and TypeScript
Understanding of software engineering principles, API design, automated testing, and application security
Experience delivering reliable, scalable, and production-ready software solutions
Strong collaboration and problem-solving skills

NICE TO HAVE:

Experience with AI platform capabilities such as model gateways, prompt management, vector databases, evaluation frameworks, and guardrails
Experience with Google Cloud Platform or another major cloud platform
Experience with Docker and Kubernetes
Experience building and maintaining CI/CD pipelines
Experience with observability, application monitoring, and performance optimization
Knowledge of enterprise authentication and authorization patterns
Experience supporting the full lifecycle of AI-powered applications

ABOUT ADASTRA

Adastra is a global leader in AI and data-driven transformation, helping organizations lead with artificial intelligence - responsibly, strategically, and at scale. With over 25 years of experience, Adastra empowers enterprise clients to unlock business value through data innovation, operational excellence, and smart customer engagement.

Trusted by some of the world’s most prominent brands, Adastra delivers end-to-end solutions grounded in thoughtful strategy, robust governance, and deep technical expertise. From defining vision to ensuring execution, Adastra guides organizations through every stage of their AI, data and cloud journey - building future-ready capabilities and delivering measurable, lasting impact.

Adastra serves clients across key industries including financial services, automotive, manufacturing, technology, media and telecom (TMT), healthcare, retail, and professional services. The company employs more than 2,000 professionals across North America, Europe, and Asia.

WHAT WE OFFER

Opportunity for advancement and career progression
Competitive compensation
Successful referral program
The opportunity to work with one of Canada’s 50 Best Managed Companies
Satisfaction of working for a reputable company
A flexible, dynamic, and diverse workplace

EQUAL OPPORTUNITY EMPLOYER

In our commitment to promote fair and equitable treatment of all employees and applicants, Adastra Corporation provides equal employment opportunities for all individuals regardless of age, sex, disability, race, ethnic origin, citizenship, creed, sexual orientation, marital status, or any other ground as described in the Ontario Human Rights Code. In addition, accommodation will be provided during the hiring process. Adastra Corporation’s implementation and support of employment initiatives, encourage diversified labour force participation and equal access to opportunities based on merit and performance.

AI Usage - Our hiring process includes the use of AI-enabled tools to screen applications (e.g., keyword matching, qualification ranking). A human recruiter reviews all AI-generated shortlists to make informed hiring decisions.

There has been an increased instance of fraudulent job offers coming from people posing as Adastra HR employees. Please note that Adastra will never request fees as part of our recruiting process and any emails sent to you that are not from ‘@adastragrp.com’ or ‘@talent.icims.com’ are fraudulent. All employment offers are sent via DocuSign and if you receive an employment offer from a suspicious email and not via DocuSign, it is fraudulent.

Contact careers@adastragrp.com to inquire about jobs at Adastra, to report a suspicious request for money or personal information from external websites or suspicious employment offers.

Apply About employer

More about this job

Responsibilities

Design and develop scalable backend services, APIs, and reusable SDKs using Python and Java. Build AI-powered applications integrating large language models, retrieval-augmented generation, and agentic AI frameworks.

Requirements

Requires strong hands-on experience in backend development with Python and Java, alongside proficiency in microservices and AI technologies. Candidates must also demonstrate experience in frontend development with React and TypeScript, and cloud-based deployment.

Skills

Python
Java
FastAPI
Spring Boot
React
TypeScript
Microservices
Large Language Models
Retrieval-Augmented Generation
LangChain
LangGraph
Docker
Kubernetes
CI/CD
API Design
Cloud Platforms

Benefits

Competitive compensation
Career progression opportunities
Referral program

Visa sponsorship

Not detected in the job text

Keywords

Fullstack Developer
Python
Java
FastAPI
Spring Boot
Microservices
Large Language Models
Retrieval-Augmented Generation
Agentic AI
LangChain
LangGraph
Model Context Protocol
React
TypeScript
Docker
Kubernetes
CI/CD
Cloud Platforms
Vector Databases
Prompt Management
API Design
Observability
Performance Optimization
Enterprise Authentication
Software Engineering
AI Platform
Data Innovation
Generative AI
Scalable Applications
Production-ready

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